An Algebraic Characterization of the Korteweg–de Vries Hierarchy
نویسنده
چکیده
The conserved polynomials of the Korteweg–de Vries equation ut = uxxx − 12uux are characterized by the vanishing of the residues of their associated differential polynomials evaluated on the formal power series of the kind u = x−2 + u0 + ∑ n≥2 unx.
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تاریخ انتشار 2001